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Near midair collision between air carrier medium large transport and small aircraft Y in vicinity of bwi.
| Attributes | |
| ACN | 153869 |
| Time | |
| Date | 199008 |
| Day | Sun |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : bwi |
| State Reference | MD |
| Altitude | msl bound lower : 4000 msl bound upper : 4000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : bwi |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport |
| Flight Phase | descent : approach descent other |
| Route In Use | enroute : on vectors |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Small Aircraft, Low Wing, 1 Eng, Retractable Gear |
| Flight Phase | climbout : intermediate altitude |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 200 flight time total : 5000 flight time type : 900 |
| ASRS Report | 153869 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 195 flight time total : 8828 flight time type : 1100 |
| ASRS Report | 153731 |
| Events | |
| Anomaly | conflict : nmac other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : took evasive action |
| Consequence | Other |
| Miss Distance | horizontal : 500 vertical : 500 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
Narrative:
On downwind vector at 4000', 250 KTS approach reported an small aircraft Y at 1-2 O'clock climbing out of 2500 to 7500', mode C inoperative. A short time later I sighted small aircraft Y and took positive actin to avoid. We turned 60 degrees to the right and descended 500' to avoid small aircraft Y. Small aircraft Y passed 500' vertical and 500' horizontal, then returned to heading and altitude excellent job by controller! Very hazy conditions.
Original NASA ASRS Text
Title: NMAC BETWEEN ACR MLG AND SMA Y IN VICINITY OF BWI.
Narrative: ON DOWNWIND VECTOR AT 4000', 250 KTS APCH RPTED AN SMA Y AT 1-2 O'CLOCK CLBING OUT OF 2500 TO 7500', MODE C INOP. A SHORT TIME LATER I SIGHTED SMA Y AND TOOK POSITIVE ACTIN TO AVOID. WE TURNED 60 DEGS TO THE RIGHT AND DSNDED 500' TO AVOID SMA Y. SMA Y PASSED 500' VERT AND 500' HORIZ, THEN RETURNED TO HDG AND ALT EXCELLENT JOB BY CTLR! VERY HAZY CONDITIONS.
Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.